diff options
author | Carl Hetherington <carl@carlh.net> | 2010-08-05 13:36:38 +0000 |
---|---|---|
committer | Carl Hetherington <carl@carlh.net> | 2010-08-05 13:36:38 +0000 |
commit | 5e3ca4db5cc356385e520643cfd279f393db4b51 (patch) | |
tree | 2ea31a74d34e37e33bc5b126a5e7f1b58753b4f0 /gtk2_ardour/automation_streamview.cc | |
parent | e7a2b99f3d4f7afe73a30ac85e770e228785c1be (diff) |
Support cut / copy / paste of MIDI automation.
git-svn-id: svn://localhost/ardour2/branches/3.0@7545 d708f5d6-7413-0410-9779-e7cbd77b26cf
Diffstat (limited to 'gtk2_ardour/automation_streamview.cc')
-rw-r--r-- | gtk2_ardour/automation_streamview.cc | 50 |
1 files changed, 48 insertions, 2 deletions
diff --git a/gtk2_ardour/automation_streamview.cc b/gtk2_ardour/automation_streamview.cc index 6beb439b11..90e1b991fd 100644 --- a/gtk2_ardour/automation_streamview.cc +++ b/gtk2_ardour/automation_streamview.cc @@ -274,13 +274,16 @@ AutomationStreamView::clear () } } +/** @param start Start position in session frames. + * @param end End position in session frames. + */ void -AutomationStreamView::get_selectables (nframes_t start, nframes_t end, double botfrac, double topfrac, list<Selectable*>& results) +AutomationStreamView::get_selectables (framepos_t start, framepos_t end, double botfrac, double topfrac, list<Selectable*>& results) { for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) { AutomationRegionView* arv = dynamic_cast<AutomationRegionView*> (*i); assert (arv); - arv->line()->get_selectables (start - (*i)->region()->position(), end - (*i)->region()->position(), botfrac, topfrac, results); + arv->line()->get_selectables (start, end, botfrac, topfrac, results); } } @@ -307,3 +310,46 @@ AutomationStreamView::get_lines () const return lines; } + +struct RegionPositionSorter { + bool operator() (RegionView* a, RegionView* b) { + return a->region()->position() < b->region()->position(); + } +}; + + +/** @param pos Position, in session frames. + * @return AutomationLine to paste to for that position, or 0 if there is none appropriate. + */ +boost::shared_ptr<AutomationLine> +AutomationStreamView::paste_line (framepos_t pos) +{ + /* XXX: not sure how best to pick this; for now, just use the last region which starts before pos */ + + if (region_views.empty()) { + return boost::shared_ptr<AutomationLine> (); + } + + region_views.sort (RegionPositionSorter ()); + + list<RegionView*>::const_iterator prev = region_views.begin (); + + for (list<RegionView*>::const_iterator i = region_views.begin(); i != region_views.end(); ++i) { + if ((*i)->region()->position() > pos) { + break; + } + prev = i; + } + + boost::shared_ptr<Region> r = (*prev)->region (); + + /* If *prev doesn't cover pos, it's no good */ + if (r->position() > pos || ((r->position() + r->length()) < pos)) { + return boost::shared_ptr<AutomationLine> (); + } + + AutomationRegionView* arv = dynamic_cast<AutomationRegionView*> (*prev); + assert (arv); + + return arv->line (); +} |